/* ═══ RESET ═══ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input {
  font-family: inherit;
}

/* ═══ CSS VARIABLES ═══ */

:root {
  --bg:          #0a0c14;
  --bg2:         #0f1520;
  --bg3:         #141c2b;
  --navy:        #1A2744;
  --green:       #006B3F;
  --green-light: #00A060;
  --green-dark:  #004D2E;
  --gold:        #E9C46A;
  --gold-dim:    rgba(233,196,106,0.15);
  --teal:        #2A9D8F;
  --white:       #F8FAFC;
  --gray:        #94A3B8;
  --gray2:       #64748B;
  --gray3:       #334155;
}

/* ═══ GLOBAL ELEMENTS ═══ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--green);
  z-index: 9999;
}

.cursor-glow {
  position: fixed;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,107,63,0.05) 0%, transparent 70%);
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 9998;
  transform: translate(-50%, -50%);
  display: none;
}

@media (min-width: 1024px) {
  .cursor-glow {
    display: block;
  }
}

.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9997;
  opacity: 0.03;
}

/* ═══ SECTION SHARED ═══ */

.section {
  position: relative;
  padding: 6rem 6vw;
}

@media (min-width: 1024px) {
  .section {
    padding: 8rem 8vw;
  }
}

.section-divider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray3), transparent);
  transform: scaleX(0);
}

.section-divider--green {
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.section-label {
  display: block;
  font-size: 0.75rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.section-intro {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  max-width: 650px;
  margin-bottom: 3rem;
}

.section-header {
  margin-bottom: 3rem;
}

.section-grid--2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .section-grid--2col {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

/* ═══ HERO ═══ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 6vw;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding: 0 8vw;
  }
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-glow--green {
  top: -20%;
  right: -20%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0,107,63,0.10) 0%, transparent 70%);
}

.hero-glow--gold {
  bottom: -20%;
  left: -20%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(233,196,106,0.05) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-accent {
  width: 60px;
  height: 3px;
  background: var(--green);
  margin-bottom: 2rem;
  transform: scaleX(0);
  transform-origin: left;
}

.reveal-wrap {
  overflow: hidden;
}

.reveal-wrap > * {
  transform: translateY(110%);
}

.hero-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 700;
  font-size: clamp(3.5rem, 12vw, 9rem);
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--white);
}

.hero-year {
  display: block;
  font-family: 'Clash Display', sans-serif;
  font-weight: 500;
  font-size: clamp(1.2rem, 3vw, 2rem);
  letter-spacing: 0.4em;
  color: var(--teal);
  margin-bottom: 2rem;
}

.hero-subtitle {
  margin-bottom: 1.5rem;
}

.hero-subtitle p {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
}

.hero-date {
  font-size: 0.9rem;
  color: var(--gray2);
  margin-bottom: 2rem;
}

.hero-date strong {
  color: var(--gold);
}

.hero-cta-wrap {
  opacity: 0;
  transform: translateY(20px);
}

.hero-cta {
  display: inline-block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--green);
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--green-light);
  background: transparent;
  transition: color 0.4s ease;
}

.hero-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  z-index: -1;
}

.hero-cta:hover {
  color: var(--white);
}

.hero-cta:hover::before {
  transform: scaleX(1);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
}

.scroll-indicator-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.6); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

.scroll-indicator-text {
  font-size: 0.7rem;
  color: var(--gray2);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* ═══ CONCEPTO (QUÉ ES TALKA) ═══ */

.section--concepto {
  position: relative;
}

.concepto-bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 0.08rem;
  height: 100%;
  background: var(--teal);
  transform: scaleY(0);
  transform-origin: top;
}

.concepto-left .section-text {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  max-width: 650px;
}

.concepto-left .section-text p {
  margin-bottom: 1rem;
}

.concepto-left .section-text strong {
  color: var(--white);
}

.concepto-quote {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.3;
  padding-left: 2rem;
  border-left: 3px solid var(--green);
}

.concepto-quote em {
  color: var(--gold);
  font-style: normal;
}

/* ═══ EJES TEMÁTICOS ═══ */

.section--ejes {
  background: var(--bg2);
}

.ejes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .ejes-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .ejes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.eje-card {
  position: relative;
  background: var(--bg3);
  padding: 2rem 1.5rem;
  border-top: 3px solid var(--gray3);
  transition: transform 0.4s ease;
}

.eje-card:hover {
  transform: translateY(-4px);
}

.eje-card--green { border-top-color: var(--green); }
.eje-card--teal  { border-top-color: var(--teal); }
.eje-card--gold  { border-top-color: var(--gold); }

.eje-number {
  font-family: 'Clash Display', sans-serif;
  font-weight: 700;
  font-size: 2.5rem;
  opacity: 0.15;
  display: block;
  margin-bottom: 0.5rem;
}

.eje-card--green .eje-number { color: var(--green); }
.eje-card--teal  .eje-number { color: var(--teal); }
.eje-card--gold  .eje-number { color: var(--gold); }

.eje-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.eje-text {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
}

/* ═══ IMPACTO ═══ */

.section--impacto {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  padding: 6rem 6vw;
  overflow: hidden;
}

.impacto-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 4v12M4 10h12' stroke='%23ffffff' stroke-width='0.5' opacity='0.03'/%3E%3C/svg%3E");
  background-repeat: repeat;
  pointer-events: none;
}

.impacto-content {
  position: relative;
  max-width: 800px;
  text-align: center;
}

.impacto-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.3;
  margin-bottom: 2rem;
}

.impacto-text {
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

.impacto-text strong {
  color: var(--gold);
  font-weight: 600;
}

/* ═══ LA EXPERIENCIA ═══ */

.fases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .fases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.fase-card {
  position: relative;
  padding: 2rem;
  background: var(--bg2);
  border-bottom: 2px solid var(--gray3);
  overflow: hidden;
}

.fase-card--green { border-bottom-color: var(--green); }
.fase-card--teal  { border-bottom-color: var(--teal); }
.fase-card--gold  { border-bottom-color: var(--gold); }

.fase-number {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: 'Clash Display', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  opacity: 0.1;
}

.fase-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.fase-text {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
}

/* ═══ REGISTRO ═══ */

.section--registro {
  background: var(--bg2);
}

.registro-fomo {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray);
  margin-bottom: 2rem;
}

.registro-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.registro-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.registro-detail-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--gray3);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.registro-detail-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--gray2);
  letter-spacing: 0.05em;
}

.registro-detail-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
}

/* Form container */
.registro-form-container {
  background: var(--bg3);
  padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.06);
}

.form-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.form-subtitle {
  font-size: 0.85rem;
  color: var(--gray2);
  margin-bottom: 2rem;
}

.form-row--2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .form-row--2col {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--gray3);
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s;
}

.form-input::placeholder {
  color: var(--gray2);
}

.form-input:focus {
  border-color: var(--green);
}

.form-input--error {
  border-color: #ef4444;
}

.form-submit {
  display: block;
  width: 100%;
  padding: 1rem;
  background: var(--green);
  border: none;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
  transition: background 0.3s;
}

.form-submit:hover {
  background: var(--green-light);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-legal {
  font-size: 0.7rem;
  color: var(--gray2);
  line-height: 1.5;
  margin-top: 1rem;
}

.form-error {
  color: #ef4444;
  font-size: 0.8rem;
  margin-bottom: 1rem;
  display: none;
}

/* Success state */
.form-success {
  text-align: center;
  padding: 3rem 1rem;
}

.form-success-title {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--green-light);
  margin-bottom: 1rem;
}

.form-success-text {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.form-success-date {
  font-weight: 700;
  color: var(--gold);
}

/* ═══ LOGOS ═══ */

.section--logos {
  padding: 3rem 6vw;
}

.logos-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0.5;
}

@media (min-width: 768px) {
  .logos-row {
    flex-direction: row;
    justify-content: center;
    gap: 3rem;
  }
}

.logo-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray2);
  font-weight: 600;
}

.logo-separator {
  color: var(--gray3);
  display: none;
}

@media (min-width: 768px) {
  .logo-separator {
    display: inline;
  }
}

/* ═══ FOOTER ═══ */

.footer {
  text-align: center;
  padding: 2rem 8vw;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-text {
  font-size: 0.75rem;
  color: var(--gray2);
}

/* ═══ REDUCED MOTION ═══ */

@media (prefers-reduced-motion: reduce) {
  .hero-accent,
  .reveal-wrap > *,
  .hero-cta-wrap,
  .scroll-indicator,
  .section-divider,
  .concepto-bar {
    transform: none !important;
    opacity: 1 !important;
  }

  .scroll-indicator-line {
    animation: none;
  }

  .grain-overlay {
    display: none;
  }

  .cursor-glow {
    display: none !important;
  }
}